Home / 581,020.38-871,563.36-207,043.38

Finding the Fourth Proportional to 581,020.38, 871,563.36 and 207,043.38

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Solution

The fourth proportional to 581,020.38, 871,563.36 and 207,043.38 is: 310,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,020.38 : 871,563.36 = 207,043.38 : x
  2. Step 2: Convert to fraction form
    581,020.38/871,563.36 = 207,043.38/x
  3. Step 3: Cross multiply
    581,020.38x = 871,563.36 × 207,043.38
  4. Step 4: Simplify right side
    581,020.38x = 180,451,423,938.56
  5. Step 5: Solve for x
    x = 180,451,423,938.56/581,020.38
  6. Step 6: Final answer
    x = 310,576.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.